I have swag in this bag .whats the meaning of swag in this?

In this context, "swag" is slang for stylish confidence or charisma. It can also refer to a collection of promotional items or freebies given out at events.

"Swag" in this context is slang for stylish or fashionable items. So, the sentence "I have swag in this bag" means that the speaker has stylish or fashionable items in their bag.